Merge pull request #28 from kmanley/master

fixed some typos

Fixed failing test on go1.5.1

Merge pull request #25 from nkovacs/24-go-1.5-fix

Merge pull request #27 from workoutfeed/master

Strip quotes from both ends of the subject. Refactoring to expose headers for testing.

Fix panic on Go 1.5

Replaced gitter link with Slack.

Cleaned up package docs

Minor tweak to address issue #11

Merge remote-tracking branch 'origin/dev'

Merge pull request #10 from chrisgillis/master

Added Gitter link

Merge pull request #15 from nelsam/simple-quoted-subjects-fix

Resolves #14